Answer:
40 commands
He knows more than 40 commands. If Gabby falls, she can tell Ollie to “speak,” and he'll bark until help arrives. But Gabby says Ollie's cool tricks aren't even the best thing about her animal companion.
Use the second example. the excitement I had grew exponentially after that,as I wanted to know what would happen to me and my friends next
The used rhetorical device is Hyperbole.
Saying that something is a billion times better is hyperbole because it is not really that much better, you would just be over exaggerating.
It’s either b or C! I hope that all helps
